Calcium with or without D3?

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Hey, another question, should I be using calcium with or without D3? I’ve heard both opinions. What do you think? Thanks :)
 

JoesMum

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Added D3 shouldn’t be necessary. Your tortoise makes its own on exposure to UVB light

There is a school of thought that the grassland tortoises have evolved not to process dietary vitamin D. They have a plant based diet.

The tropical forest species (redfoots and yellow foots) which get little exposure to the sun eat animal protein an evolutionary adaptation to compensate.

A tiny pinch of calcium powder sprinkled sparsely on food 2-3 days a week is all that’s necessary. You can overdo i.
 

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